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Background: Firearm injuries represent a leading cause of morbidity and mortality. The incidence varies over time and according to geographic region. Aim of the work: The aim of our study was to illustrate the epidemiology of firearmrelated injuries and point to pattern of firearm violence in Fayoum Governorate-Egypt. Methodology: comparative observational study on firearm injuries reported by Forensic Medical Authority in Fayoum Governorate from the period of January 2011 to December 2016. Firearm injuries related to demonstrations or political events were excluded. Results: male gender constituted about 89% while female gender represented 10% of the study population. 40% were urban and 60% were rural. About one percent of study group showed fatal injuries. Quarrels were on the top of the list of the known causes of firearm injuries (13%). Conclusion: We concluded that, the incidence of fire arm injuries was high in 2011 and gradually decreased through 2012 and 2013 then an increase was noticed in 2014 followed by a decrease to the least percentage recorded through the study period in 2016.

The issue of infertility is one of the most important topics addressed by society, especially in our current situation. The Probit regression method is one of the most important methods in this analysis which effects on the statistical tests of the significance of the estimated parameters of the regression model. In this paper, we studied the Probit regression model to determine the most important factors affecting the success of pregnancy and life birth after in-vitrofertilization (IVF), where a simple random sample of ( 160) infertile individuals was withdrawn, represented by the following variables; Maternal age, paternal age, Types of infertility, Number of previous treatment cycles, Who is the cause of the infertility (man or woman), Number of retrieved oocytes, Frozen embryos transfer (FET),Anti-Müllerian hormone (AMH), Follicle-stimulating hormone (FSH)andLuteinizing hormone (LH).Of these and through the statistical program SPSS, we concluded that the paternal and maternal ages, type of infertility, cause of infertility and FSH are influential factors on the success of pregnancy.

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